Compare similar products. You are viewing. Intel Core 2 Quad Q8400 - 2.66 GHz Quad-Core (BX80580Q8400) Processor. Overclock your Quad Core 1 Ghz over stock speed! I use my Gigabyte EP45-UD3P motherboard to overclock the Intel Core 2 Quad Q8400 to 3.64. See if I can do it with minimal changes in the BIOS. The Core 2 Quad Q8400 lets you enjoy a smooth and high-quality multimedia experience. Intels Intelligent Power Capability ensures optimal energy efficiency. Intel Core 2 Quad Q8400 Processor features: Four computing cores running at 2.66 GHz. Each core is separated and will run as such So 3GHz on both core will only run at 3 GHz and nomore unless overclocked and the same goes for the Q8400. As seen in the review for the casual user and a beginner to overclocking the Intel Core 2 Quad Q8400 makes it very easy to get more performance with minimal effort and tweaking. This mainstream processor though not a "black unlocked edition" Buy electronics, fashion apparel, collectibles, sporting goods, digital cameras, baby items, and everything else from Korean eBay sellers Search for Intel Core2 Quad Q8400 2.66GHz from the Featured Merchants below: Browser adblocker software has been detected and enabled for our website.